- Correspondence to: Dr A A Al-Khader Head of Division of Nephrology, Hypertension & Renal Transplantation, King Abdulaziz Medical City, PO Box 22490, Riyadh 11426, Kingdom of Saudi Arabia;
- Received May 6, 2004
- Accepted July 5, 2004
- Revised June 28, 2004
- First published May 27, 2005.
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